The ENERGENIUS project provides an innovative pathway dedicated to cultivating an inclusive, community-driven energy transition, underpinned by the ethos of 'Leave No One Behind.' At its heart is the ENERGENIUS Suite, a comprehensive, one-stop-shop digital platform providing a wide range of interlinked services, including digital twin models, serious games, cross-sectoral dashboards, marketplace and AI-driven recommendations. This robust ecosystem amalgamates data across various sectors—from energy, healthcare, and finance to traffic, social media, real estate, and tourism—delivering customized, AI-powered solutions for energy efficiency. By harnessing the collective intelligence of its community, ENERGENIUS not only offers personalized energy-saving advice but also reciprocally enriches multiple sectors. Upholding the highest standards in interoperability and privacy-by-design, ENERGENIUS is establishing new milestones for secure, seamless cross-sectoral data exchange.